Chatham County, North Carolina: drinking water report. Chatham County sits between the Triangle and Triad regions, home to about 80,000 residents.
Chatham County sits between the Triangle and Triad regions, home to about 80,000 residents. Water comes from the Haw River and Jordan Lake, with several small community systems serving different parts of the county. Chatham's rapid growth as a Triangle suburb has increased both water demand and development pressure on the watershed.
Jordan Lake, a primary drinking water source for the region, has been under nutrient management restrictions due to algal growth from upstream development. UCMR5 data shows low-level PFAS detections in some county systems. According to NC DEQ monitoring, Jordan Lake's nutrient levels have been a persistent regulatory concern.
The county's mix of agricultural land and new residential development creates both nutrient loading and impervious surface runoff that affect source water quality.
Chatham County's growth and Jordan Lake's nutrient challenges make water quality worth monitoring.
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